Home / 5,694.30-8,539.78-2,184.05

Finding the Fourth Proportional to 5,694.30, 8,539.78 and 2,184.05

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Solution

The fourth proportional to 5,694.30, 8,539.78 and 2,184.05 is: 3,275.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,694.30 : 8,539.78 = 2,184.05 : x
  2. Step 2: Convert to fraction form
    5,694.30/8,539.78 = 2,184.05/x
  3. Step 3: Cross multiply
    5,694.30x = 8,539.78 × 2,184.05
  4. Step 4: Simplify right side
    5,694.30x = 18,651,258.35
  5. Step 5: Solve for x
    x = 18,651,258.35/5,694.30
  6. Step 6: Final answer
    x = 3,275.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.